KHH to CEI, Kaohsiung International Airport to Chiang Rai International Airport Cheap Flights

Based on HopeGoo data, Thai Lion Air offers one-way fares as low as US$109 on Cheapest nonstop routes (e.g. KHH to CEI on Fri, Feb 20), while Thai Lion Air offers Cheapest nonstop round-trips from US$187 departing on Wed, Mar 25 and returning on Tue, Mar 31.

At the moment, you can catch a nonstop flight from Kaohsiung to Chiang Rai with the following airlines, including: Thai Lion Air Selected airlines are based on historical data collected from flight bookings users made on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Kaohsiung to Chiang Rai is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Kaohsiung to Chiang Rai, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Feb 20, with one-way flights priced at just US$109. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai Lion Air. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Chiang Rai travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Kaohsiung to Chiang Rai is September, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Kaohsiung to Chiang Rai on February 28, 2026 with Thai Lion Air, with prices starting at US$205.

You can land at any one of the following hubs in Chiang Rai, with Kaohsiung International Airport to Chiang Rai International Airport (KHH-CEI) is by far the most common option on this route: Chiang Rai International Airport (CEI).

The time difference between Chiang Rai and Kaohsiung is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.